Superior electrochemical performance of La-Mg-Ni-based alloys with novel A2B7-A7B23 biphase superlattice structure

Jingjing Liu,Shuai Zhu,Xiangyu Chen,Jie Xu,Lu Zhang,Kai Yan, Wei Chen,Honghui Cheng,Shumin Han

Journal of Materials Science & Technology（2021）

引用 15|浏览18

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摘要

•La-Mg-Ni-based alloys with A2B7-A7B23 biphase superlattice structure are obtained.•A2B7-A7B23 biphase alloys exhibit very high Cmax values of 402–413 mAh g−1.•HRD1500 reaches as high as 52.7 % by adjusting the ratio of A2B7 and A7B23 phases.•Effect mechanisms of A7B23 phase on electrochemical properties are revealed.

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关键词

Nickel metal hydride battery,Hydrogen storage alloy,A7B23-type phase,Electrochemical property,Effect mechanism

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